[INFO] cloning repository https://github.com/ElijahWoelbing/rust-dmg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElijahWoelbing/rust-dmg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElijahWoelbing%2Frust-dmg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElijahWoelbing%2Frust-dmg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 173d63abc7ce92a017f67fe605bb49c23acc6895
[INFO] checking ElijahWoelbing/rust-dmg against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElijahWoelbing%2Frust-dmg" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElijahWoelbing/rust-dmg on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElijahWoelbing/rust-dmg
[INFO] finished tweaking git repo https://github.com/ElijahWoelbing/rust-dmg
[INFO] tweaked toml for git repo https://github.com/ElijahWoelbing/rust-dmg written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ElijahWoelbing/rust-dmg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35d72d5159340587ec4a9db2a5cf8c14bbeff3cf668214f21621e8f2935d7b45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "35d72d5159340587ec4a9db2a5cf8c14bbeff3cf668214f21621e8f2935d7b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d72d5159340587ec4a9db2a5cf8c14bbeff3cf668214f21621e8f2935d7b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d72d5159340587ec4a9db2a5cf8c14bbeff3cf668214f21621e8f2935d7b45", kill_on_drop: false }`
[INFO] [stdout] 35d72d5159340587ec4a9db2a5cf8c14bbeff3cf668214f21621e8f2935d7b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef2494458050aafa9b5fbaa66d85a074572343d55f3951dfe41657e7e97c8207
[INFO] running `Command { std: "docker" "start" "-a" "ef2494458050aafa9b5fbaa66d85a074572343d55f3951dfe41657e7e97c8207", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking rust-dmg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/mbc/mbc0.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn write_rom(&mut self, address: u16, value: u8) { 
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/mbc/mbc0.rs:12:43
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn write_rom(&mut self, address: u16, value: u8) { 
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/mbc/mbc0.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn read_ram(&self, address: u16) -> u8 {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/mbc/mbc0.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn write_ram(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/mbc/mbc0.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn write_ram(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/mbc/mbc0.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn write_rom(&mut self, address: u16, value: u8) { 
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/mbc/mbc0.rs:12:43
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn write_rom(&mut self, address: u16, value: u8) { 
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/mbc/mbc0.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn read_ram(&self, address: u16) -> u8 {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/mbc/mbc0.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn write_ram(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/mbc/mbc0.rs:20:43
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn write_ram(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "ef2494458050aafa9b5fbaa66d85a074572343d55f3951dfe41657e7e97c8207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2494458050aafa9b5fbaa66d85a074572343d55f3951dfe41657e7e97c8207", kill_on_drop: false }`
[INFO] [stdout] ef2494458050aafa9b5fbaa66d85a074572343d55f3951dfe41657e7e97c8207